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发明名称
摘要
申请公布号
DD105919(A5)
申请公布日期
1974.05.12
申请号
DD19730173268
申请日期
1973.09.04
申请人
发明人
分类号
B65D85/575;G11B23/02;G11B23/023;(IPC1-7):G11B1/02
主分类号
B65D85/575
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代理人
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